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How many mL of 3.00 M HCI should be added to react completely with 16.8g of Na2CO3 according to the following equation?
Na2CO3 (aq) + HCI (aq) ------> NaCI (aq) + CO2 (g) + H2O (l)
What mass of CO2 is produced from the reaction?
what Spartan is doing when it performs a geometry optimization (hint: energy minimization) of a molecule and what kinds of structural changes can result.
when 0.800 grams of NaOH is dissolved in 100.0 grams of water, the temperature of the solution increases from 25.00 degree to 27.06 degree .
Explain how does unique physical and chemical properties of water contribute to significance of water for life on Earth to survive.
Calculate the radiation dosage (in grays) for an 57-kg person that is exposed for 3.0 seconds to a 3.0 Ci source of beta radiation.
Determine the numbers of moles of S8 that are required to make 0.600 moles of SF4.
A piece of galena has a volume of 3.9 cm3. If the density of galena is 7.5 g/cm3, what is the mass (in kg) of that piece of galena?
Determine the number of representative particles in each substance.
When 0.062 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 200 milliliters of solution, how many ammonium ions are present.
Based on the solubility rules, which one of these compounds should be soluble in water?
If 18mL of oxygen are collected over water at 27 degrees Celcius and 740 mm Hg of pressure, what volume will the dry gas have at STP?(The vapor pressure of water at 27 degrees celcius is 26.7 mm Hg)
Chemical bottles labeled to contain blue-coloured NISO4 -6H20 often contain instead the green-coloured NISO4-7H2O.
Explain the bond and angle terms of this structure, not confident about what it is - it looks like a ring structure and I have been unable to find it using familiar web searches.
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